noun A (usually self-sustaining) chemical reaction involving the bonding of oxygen with carbon or other fuel, with the production of heat and the presence of flame or smouldering.
noun An instance of this chemical reaction, especially when intentionally created and maintained in a specific location to a useful end (such as a campfire or a hearth fire).
We sat about the fire singing songs and telling tales.
noun The occurrence, often accidental, of fire in a certain place, causing damage and danger.
There was a fire at the school last night and the whole place burned down.
noun The aforementioned chemical reaction of burning, considered one of the Classical elements or basic elements of alchemy.
noun A heater or stove used in place of a real fire (such as an electric fire).
noun The elements necessary to start a fire.
The fire was laid and needed to be lit.
noun The bullets or other projectiles fired from a gun or other ranged weapon.
The fire from the enemy guns kept us from attacking.
noun A planned bombardment by artillery or similar weapons, or the capability to deliver such.